Title:
POLYURETHANE RESIN COMPOSITION, ARTIFICIAL LEATHER, SYNTHETIC LEATHER, AND LEATHER SURFACE TREATMENT AGENT
Document Type and Number:
WIPO Patent Application WO/2023/157807
Kind Code:
A1
Abstract:
This polyurethane resin composition contains an isocyanate group-terminated urethane prepolymer (E) or a reaction product of the isocyanate group-terminated urethane prepolymer (E) and a chain extender (G), and a neutralizing agent (F), the isocyanate group-terminated urethane prepolymer (E) having an ester bond and including a reaction product of an organic acid (C), polyisocyanate (D), and a polyol (A1) including a polycarbonate polyol (B1) having an average number of hydroxyl functional groups exceeding 2, and the content of the polycarbonate polyol (B1) or the content of a urea group derived from the chain extender (G) satisfying specific conditions.
Inventors:
HONDA KOHEI (JP)
ANZAI HIRONAO (JP)
ANZAI HIRONAO (JP)
Application Number:
PCT/JP2023/004835
Publication Date:
August 24, 2023
Filing Date:
February 13, 2023
Export Citation:
Assignee:
TOSOH CORP (JP)
International Classes:
C08G18/65; C08G18/00; C08G18/08; C08G18/10; C08G18/44; D06N3/14
Domestic Patent References:
| WO2016039395A1 | 2016-03-17 | |||
| WO2016039396A1 | 2016-03-17 |
Foreign References:
| JP2021070799A | 2021-05-06 | |||
| JP2019006936A | 2019-01-17 |
Attorney, Agent or Firm:
CENTCREST IP ATTORNEYS (JP)
Download PDF: